BS EN 42CrMo4 | 1,7225 Alloy Engineering Karfe

BS EN 42CrMo4 |  1,7225 Alloy Engineering Karfe

Short Description:

BS EN 42crmo4 Alloy Steel is a common chromium-molybdenum steel that usually used after quenchedand tempered, with high intensity, high hardenability. BS EN 42CrMo4round steel has better performance than 34CrMo4 steel due to the carbonand chromium content is higher. 42CrMo4 alloy steel has higher strength and hardenability. The 42CrMo4 alloy material alsohas high fatigue strength and good low-temperature impact toughness. The temper brittleness is not obvious. Although 42CrMo4 steel is mo...


  • Length: 3-5.8mm ko gyare-gyare
  • Surface: black, peeled, ko m juya
  • Heat jiyya: iska-sanyaya, bisa al'ada, annealed, Q & T
  • Smelting tsari: EAF + LF + VD
  • samfurin Detail

    samfurin Tags

    BS EN 42crmo4 Alloy Karfe


    ne na kowa chromium-molybdenum karfe cewa yawa ana amfani bayan ta kasu
    da kuma zafin tare da babban tsanani, high hardenability. BS EN 42CrMo4
    zagaye karfe yana da mafi alhẽri yi fiye da 34CrMo4 karfe saboda da carbon
    da chromium abun ciki shi ne mafi girma. 42CrMo4 gami karfe


    yana da mafi girma da kuma karfin hardenability. A 42CrMo4 gami abu ma
    yana da babban gajiya ƙarfi da kyau low-zazzabi tasiri tauri. A


    fushi brittleness ne ba shakka.


    Ko da yake 42CrMo4 karfe ne mafi tsada fiye 41Cr4 karfe, shi ne mafi


    fin so a cikin sharuddan da kayan Properties. EN 42CrMo4 gami
    injiniya karfe kayan da aka yi amfani da ko'ina a cikin mota tuki
    abubuwa. Otai Karfe ne iya samar muku Firayim ingancin 42CrMo4
    gami karfe kayan da fadi da kewayon.

    1.42CrMo4 Alloy Karfe Supply Range

    42CrMo4 Zagaye mashaya Girma dabam: 80mm - 1200mm
    Karfe 42CrMo4 Flat Plate kuma: 10mm-1500mm kauri x 200-3000mm nisa
    Sauran karfe siffar da kuma masu girma dabam samuwa bisa ga bukatun.

    Surface yanayin : Black, m machined, peeled, ya juya ko wasu bukatun bisa ga bukatun.

    2.BS EN 42CrMo4 Alloy Karfe Relevant Bayani dalla-dalla da kuma Equivalents

    BS EN 10250 Material No. DIN ASTM A29 Jis G4105 BS 970 -3-1991 BS 970-1955 AS 1444 AFNOR
    42CrMo4 1,7225 38HM 4140 SCM440 708M40 EN19A 4140 42CD4

    3.42CrMo4 Alloy Karfe Chemical Abun da ke ciki

    42CrMo4 / 1,7225 C mn Si P S Kr Mo
    0.38-0.45 0.60-0.90 0.40 max 0,035 max 0,035 max 0.90-1.20 0.15-0.30

    4. DIN 42CrMo4 Alloy Karfe inji Properties

    Girman o mm Yawa danniya
    Rp0.2, N / nn2, min.
    Ultimate tensile Danniya,
    Rm, N / nn2
    Elongation
    A5,%, min.
    taurin HB Tauri
    KV, Joule, min.
    <40 750 1000-1200 11 295-355 35 at 20ºC
    40-95 650 900-1100 12 265-325 35 at 20ºC
    > 95 550 800-950 13 235-295 35 at 20ºC

    5. Heat jiyya na 42CrMo4 Steels

    Annealing na 42CrMo4 Steels

    • Heat karfe 42CrMo4 ƙirƙira karfe sannu a hankali da kuma sosai don 800-850 ° C;

    • Cool sannu a hankali a cikin wutar, da zazzabi da 480 °.

    • Complete annealing da karfe a cikin iska.

    Ta kasu da kuma zafin (Q + T)

    • Heat 42CrMo4 karfe sannu a hankali zuwa 880 ° C;

    • Jiƙa a wannan zafin jiki sai ice a man.

    • Fushi da zaran 42CrMo4 karfe isar dakin da zazzabi (20 ° C).

    • Zafi gaba ɗaya da ya dace da zazzabi na 560 ° C;

    • Janye da 42CrMo4 abu daga matoya da sanyi, a cikin iska.

    6. Forging na 42CrMo4 Alloy Karfe

    • Preheat 42CrMo4 injiniya karfe gaba ɗaya da kuma sannu a hankali.

    • Kara da Forging zafin jiki har zuwa 1150-1200 ° C.

    • Koyaushe ci gaba da Forging zazzabi sama a kalla 850 ° C

    7.Weldability

    Engineering


    karfe 42CrMo4 ya kawai iyakance weldability. Preheating zuwa 200-300 ° C ne
    karfi da shawarar. na sama da iyaka kamata ba za a wuce saboda
    hadarin ga tabarbarewar da Chrome Layer.

    Gami karfe 42CrMo4
    za a iya gogayya welded. Duk da haka, sauna ne zama dole don
    rage samuwar ke so microstructures a cikin welded zone.

    8.Application na 42CrMo4 Alloy Steels

    EN


    42CrMo4 gami karfe ne yadu amfani ga aikin injiniya karfe nufi, irin
    yadda: yin daban-daban iri iri na kayan, mota, ma'adinai kayayyakin part,
    da gearwheel na engine, da tuki kaya na supercharger, da
    a haɗa fashi, da pinchock karkashin babban matsin lamba, sassa na ikon
    jirgin kasa aikace-aikace, sanyi kafa fastener aka gyara, shafts, giya,
    rawar soja ƙuƙumma ga mai bincike, da dai sauransu


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